Black Rock Group

OccurrenceManganeseUSGS MRDS

Location

StateArizona
CountyGraham
Coordinates33.08287, -110.43762

Commodities

PrimaryManganese
SecondaryIron
TertiaryCopper, Lead, Barium-Barite, Silver

Mine Details

StatusOccurrence
Deposit TypeReplacement
First Production1951
Last Production1951
Discovery Year1939
Data SourceUSGS MRDS
Source ID10027120

What This Means

This location is classified as a mineral prospect or occurrence — a site where minerals have been identified but no significant mining has taken place. These sites typically have minimal environmental impact but indicate the presence of mineral deposits in the area.

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